CVE-2022-27666

HIGH

Linux Kernel < 5.17 - Out-of-Bounds Write

Title source: rule

Description

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.

Exploits (3)

nomisec WORKING POC 205 stars
by plummm · poc
https://github.com/plummm/CVE-2022-27666
nomisec WORKING POC 2 stars
by Albocoder · poc
https://github.com/Albocoder/cve-2022-27666-exploits
nomisec STUB
by ngtuonghung · poc
https://github.com/ngtuonghung/CVE-2022-27666

Scores

CVSS v3 7.8
EPSS 0.0080
EPSS Percentile 74.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (17)
debian/debian_linux 9.0
debian/debian_linux 10.0
debian/debian_linux 11.0
fedoraproject/fedora 34
fedoraproject/fedora 35
linux/linux_kernel 5.17 (8 CPE variants)
linux/linux_kernel < 5.17
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
... and 7 more
Published Mar 23, 2022
Tracked Since Feb 18, 2026